internal PdbSynchronizationPoint(BitAccess bits, System.Compiler.Metadata.Reader reader)
{
this.reader = reader;
bits.ReadUInt32(out this.synchronizeOffset);
bits.ReadUInt32(out this.continuationMethodToken);
bits.ReadUInt32(out this.continuationOffset);
//this.continuationMethod = reader.pdbInfo.GetMethodFromPdbToken(continuationMethodToken);
}
private void MapTokens(PdbSynchronizationPoint[] syncPoints, uint[] ridMap, System.Compiler.Metadata.Reader reader)
{
if (syncPoints == null)
{
return;
}
for (int i = 0; i < syncPoints.Length; i++)
{
MapTokens(syncPoints[i], ridMap, reader);
}
}
internal PdbSynchronizationInformation(Method moveNext, BitAccess bits, System.Compiler.Metadata.Reader reader)
{
this.reader = reader;
uint asyncStepInfoCount;
bits.ReadUInt32(out this.kickoffMethodToken);
bits.ReadUInt32(out this.generatedCatchHandlerIlOffset);
bits.ReadUInt32(out asyncStepInfoCount);
this.synchronizationPoints = new PdbSynchronizationPoint[asyncStepInfoCount];
for (uint i = 0; i < asyncStepInfoCount; i += 1)
{
this.synchronizationPoints[i] = new PdbSynchronizationPoint(bits, reader);
}
// this.asyncMethod = reader.pdbInfo.GetMethodFromPdbToken(kickoffMethodToken);
this.moveNextMethod = moveNext;
}
static void LoadFuncsFromDbiModule(BitAccess bits,
DbiModuleInfo info,
IntHashTable names,
ArrayList funcList,
bool readStrings,
MsfDirectory dir,
Dictionary <string, int> nameIndex,
PdbReader reader,
System.Compiler.Metadata.Reader ilreader,
Dictionary <string, PdbSource> sourceCache
)
{
PdbFunction[] funcs = null;
bits.Position = 0;
int sig;
bits.ReadInt32(out sig);
if (sig != 4)
{
throw new PdbDebugException("Invalid signature. (sig={0})", sig);
}
bits.Position = 4;
// Console.WriteLine("{0}:", info.moduleName);
funcs = PdbFunction.LoadManagedFunctions(/*info.moduleName,*/
bits, (uint)info.cbSyms,
readStrings, ilreader);
if (funcs != null)
{
bits.Position = info.cbSyms + info.cbOldLines;
LoadManagedLines(funcs, names, bits, dir, nameIndex, reader,
(uint)(info.cbSyms + info.cbOldLines + info.cbLines),
sourceCache);
for (int i = 0; i < funcs.Length; i++)
{
funcList.Add(funcs[i]);
}
}
}
internal static Dictionary <uint, PdbFunction> LoadFunctionMap(FileStream inputStream, out Dictionary <uint, PdbTokenLine> tokenToSourceMapping, out string sourceServerData, System.Compiler.Metadata.Reader reader)
{
var funcs = LoadFunctions(inputStream, out tokenToSourceMapping, out sourceServerData, reader);
var result = new Dictionary <uint, PdbFunction>(funcs.Length + 10);
foreach (PdbFunction pdbFunction in funcs)
{
result[pdbFunction.token] = pdbFunction;
}
return(result);
}
internal static PdbFunction[] LoadFunctions(Stream read, out Dictionary <uint, PdbTokenLine> tokenToSourceMapping, out string sourceServerData,
System.Compiler.Metadata.Reader ilreader)
{
tokenToSourceMapping = new Dictionary <uint, PdbTokenLine>();
BitAccess bits = new BitAccess(512 * 1024);
PdbFileHeader head = new PdbFileHeader(read, bits);
PdbReader reader = new PdbReader(read, head.pageSize);
MsfDirectory dir = new MsfDirectory(reader, head, bits);
DbiModuleInfo[] modules = null;
DbiDbgHdr header;
Dictionary <string, PdbSource> sourceCache = new Dictionary <string, PdbSource>();
dir.streams[1].Read(reader, bits);
Dictionary <string, int> nameIndex = LoadNameIndex(bits);
int nameStream;
if (!nameIndex.TryGetValue("/NAMES", out nameStream))
{
throw new PdbDebugException("No `name' stream");
}
dir.streams[nameStream].Read(reader, bits);
IntHashTable names = LoadNameStream(bits);
int srcsrvStream;
if (!nameIndex.TryGetValue("SRCSRV", out srcsrvStream))
{
sourceServerData = string.Empty;
}
else
{
DataStream dataStream = dir.streams[srcsrvStream];
byte[] bytes = new byte[dataStream.contentSize];
dataStream.Read(reader, bits);
sourceServerData = bits.ReadBString(bytes.Length);
}
dir.streams[3].Read(reader, bits);
LoadDbiStream(bits, out modules, out header, true);
ArrayList funcList = new ArrayList();
if (modules != null)
{
for (int m = 0; m < modules.Length; m++)
{
var module = modules[m];
if (module.stream > 0)
{
dir.streams[module.stream].Read(reader, bits);
if (module.moduleName == "TokenSourceLineInfo")
{
LoadTokenToSourceInfo(bits, module, names, dir, nameIndex, reader, tokenToSourceMapping, sourceCache);
continue;
}
LoadFuncsFromDbiModule(bits, module, names, funcList, true, dir, nameIndex, reader, ilreader, sourceCache);
}
}
}
PdbFunction[] funcs = (PdbFunction[])funcList.ToArray(typeof(PdbFunction));
// After reading the functions, apply the token remapping table if it exists.
if (header.snTokenRidMap != 0 && header.snTokenRidMap != 0xffff)
{
uint[] ridMap = new uint[dir.streams[header.snTokenRidMap].Length / 4];
dir.streams[header.snTokenRidMap].Read(reader, bits);
bits.ReadUInt32(ridMap);
foreach (PdbFunction func in funcs)
{
func.MapTokens(ridMap, ilreader);
}
}
else
{
foreach (PdbFunction func in funcs)
{
func.MapTokens(null, ilreader);
}
}
//
Array.Sort(funcs, PdbFunction.byAddressAndToken);
//Array.Sort(funcs, PdbFunction.byToken);
return(funcs);
}
internal static PdbFunction[] LoadManagedFunctions(/*string module,*/
BitAccess bits, uint limit,
bool readStrings,
System.Compiler.Metadata.Reader reader
)
{
//string mod = StripNamespace(module);
int begin = bits.Position;
int count = 0;
while (bits.Position < limit)
{
ushort siz;
ushort rec;
bits.ReadUInt16(out siz);
int star = bits.Position;
int stop = bits.Position + siz;
bits.Position = star;
bits.ReadUInt16(out rec);
switch ((SYM)rec)
{
case SYM.S_GMANPROC:
case SYM.S_LMANPROC:
ManProcSym proc;
bits.ReadUInt32(out proc.parent);
bits.ReadUInt32(out proc.end);
bits.Position = (int)proc.end;
count++;
break;
case SYM.S_END:
bits.Position = stop;
break;
default:
//Console.WriteLine("{0,6}: {1:x2} {2}",
// bits.Position, rec, (SYM)rec);
bits.Position = stop;
break;
}
}
if (count == 0)
{
return(null);
}
bits.Position = begin;
PdbFunction[] funcs = new PdbFunction[count];
int func = 0;
while (bits.Position < limit)
{
ushort siz;
ushort rec;
bits.ReadUInt16(out siz);
int star = bits.Position;
int stop = bits.Position + siz;
bits.ReadUInt16(out rec);
switch ((SYM)rec)
{
case SYM.S_GMANPROC:
case SYM.S_LMANPROC:
ManProcSym proc;
//int offset = bits.Position;
bits.ReadUInt32(out proc.parent);
bits.ReadUInt32(out proc.end);
bits.ReadUInt32(out proc.next);
bits.ReadUInt32(out proc.len);
bits.ReadUInt32(out proc.dbgStart);
bits.ReadUInt32(out proc.dbgEnd);
bits.ReadUInt32(out proc.token);
bits.ReadUInt32(out proc.off);
bits.ReadUInt16(out proc.seg);
bits.ReadUInt8(out proc.flags);
bits.ReadUInt16(out proc.retReg);
if (readStrings)
{
bits.ReadCString(out proc.name);
}
else
{
bits.SkipCString(out proc.name);
}
//Console.WriteLine("token={0:X8} [{1}::{2}]", proc.token, module, proc.name);
bits.Position = stop;
funcs[func++] = new PdbFunction(/*module,*/ proc, bits, reader);
break;
default:
{
//throw new PdbDebugException("Unknown SYMREC {0}", (SYM)rec);
bits.Position = stop;
break;
}
}
}
return(funcs);
}
private void MapTokens(PdbSynchronizationPoint syncpoint, uint[] ridMap, System.Compiler.Metadata.Reader reader)
{
MapToken(ref syncpoint.continuationMethodToken, ridMap);
}
private void MapTokens(PdbSynchronizationInformation pdbSynchronizationInformation, uint[] ridMap, System.Compiler.Metadata.Reader reader)
{
if (pdbSynchronizationInformation == null)
{
return;
}
MapToken(ref pdbSynchronizationInformation.kickoffMethodToken, ridMap);
MapTokens(pdbSynchronizationInformation.synchronizationPoints, ridMap, reader);
}
internal void MapTokens(uint[] ridMap, System.Compiler.Metadata.Reader reader)
{
MapToken(ref this.token, ridMap);
MapTokens(this.synchronizationInformation, ridMap, reader);
}
internal PdbFunction(/*string module, */ ManProcSym proc, BitAccess bits, System.Compiler.Metadata.Reader reader)
{
this.token = proc.token;
this.unmappedToken = proc.token;
//this.module = module;
this.name = proc.name;
//this.flags = proc.flags;
this.segment = proc.seg;
this.address = proc.off;
//this.length = proc.len;
if (proc.seg != 1)
{
throw new PdbDebugException("Segment is {0}, not 1.", proc.seg);
}
if (proc.parent != 0 || proc.next != 0)
{
throw new PdbDebugException("Warning parent={0}, next={1}",
proc.parent, proc.next);
}
//if (proc.dbgStart != 0 || proc.dbgEnd != 0) {
// throw new PdbDebugException("Warning DBG start={0}, end={1}",
// proc.dbgStart, proc.dbgEnd);
//}
int constantCount;
int scopeCount;
int slotCount;
int usedNamespacesCount;
CountScopesAndSlots(bits, proc.end, out constantCount, out scopeCount, out slotCount, out usedNamespacesCount);
int scope = constantCount > 0 || slotCount > 0 || usedNamespacesCount > 0 ? 1 : 0;
int slot = 0;
int constant = 0;
int usedNs = 0;
scopes = new PdbScope[scopeCount + scope];
slots = new PdbSlot[slotCount];
constants = new PdbConstant[constantCount];
usedNamespaces = new string[usedNamespacesCount];
if (scope > 0)
{
scopes[0] = new PdbScope(this.address, proc.len, slots, constants, usedNamespaces);
}
while (bits.Position < proc.end)
{
ushort siz;
ushort rec;
bits.ReadUInt16(out siz);
int star = bits.Position;
int stop = bits.Position + siz;
bits.Position = star;
bits.ReadUInt16(out rec);
switch ((SYM)rec)
{
case SYM.S_OEM:
{ // 0x0404
OemSymbol oem;
bits.ReadGuid(out oem.idOem);
bits.ReadUInt32(out oem.typind);
// internal byte[] rgl; // user data, force 4-byte alignment
if (oem.idOem == msilMetaData)
{
string name = bits.ReadString();
if (name == "MD2")
{
byte version;
bits.ReadUInt8(out version);
if (version == 4)
{
byte count;
bits.ReadUInt8(out count);
bits.Align(4);
while (count-- > 0)
{
this.ReadCustomMetadata(bits);
}
}
}
else if (name == "asyncMethodInfo")
{
this.synchronizationInformation = new PdbSynchronizationInformation(method, bits, reader);
}
bits.Position = stop;
break;
}
else
{
throw new PdbDebugException("OEM section: guid={0} ti={1}",
oem.idOem, oem.typind);
// bits.Position = stop;
}
}
case SYM.S_BLOCK32:
{
BlockSym32 block = new BlockSym32();
bits.ReadUInt32(out block.parent);
bits.ReadUInt32(out block.end);
bits.ReadUInt32(out block.len);
bits.ReadUInt32(out block.off);
bits.ReadUInt16(out block.seg);
bits.SkipCString(out block.name);
bits.Position = stop;
scopes[scope++] = new PdbScope(this.address, block, bits, out slotToken);
bits.Position = (int)block.end;
break;
}
case SYM.S_MANSLOT:
slots[slot++] = new PdbSlot(bits);
bits.Position = stop;
break;
case SYM.S_MANCONSTANT:
constants[constant++] = new PdbConstant(bits);
bits.Position = stop;
break;
case SYM.S_UNAMESPACE:
bits.ReadCString(out usedNamespaces[usedNs++]);
bits.Position = stop;
break;
case SYM.S_END:
bits.Position = stop;
break;
default:
{
//throw new PdbDebugException("Unknown SYM: {0}", (SYM)rec);
bits.Position = stop;
break;
}
}
}
if (bits.Position != proc.end)
{
throw new PdbDebugException("Not at S_END");
}
ushort esiz;
ushort erec;
bits.ReadUInt16(out esiz);
bits.ReadUInt16(out erec);
if (erec != (ushort)SYM.S_END)
{
throw new PdbDebugException("Missing S_END");
}
}
internal PdbSynchronizationPoint(BitAccess bits, System.Compiler.Metadata.Reader reader)
{
this.reader = reader;
bits.ReadUInt32(out this.synchronizeOffset);
bits.ReadUInt32(out this.continuationMethodToken);
bits.ReadUInt32(out this.continuationOffset);
//this.continuationMethod = reader.pdbInfo.GetMethodFromPdbToken(continuationMethodToken);
}
internal PdbSynchronizationInformation(Method moveNext, BitAccess bits, System.Compiler.Metadata.Reader reader)
{
this.reader = reader;
uint asyncStepInfoCount;
bits.ReadUInt32(out this.kickoffMethodToken);
bits.ReadUInt32(out this.generatedCatchHandlerIlOffset);
bits.ReadUInt32(out asyncStepInfoCount);
this.synchronizationPoints = new PdbSynchronizationPoint[asyncStepInfoCount];
for (uint i = 0; i < asyncStepInfoCount; i += 1)
{
this.synchronizationPoints[i] = new PdbSynchronizationPoint(bits, reader);
}
// this.asyncMethod = reader.pdbInfo.GetMethodFromPdbToken(kickoffMethodToken);
this.moveNextMethod = moveNext;
}
